<?php

session_start();

include '../../conf/koneksiPDO.php';
include '../../conf/function.php';

header('Content-Type: application/json');

$search = $_GET['search']['value'];
$length = intval($_GET['length']);
$start = intval($_GET['start']);
$draw = $_GET['draw'];
$verif = $_GET['verif'];
$searchText = '%'.$search.'%';

$conn = new createCon();
$dbh = $conn->connect();

$connBio = new createCon();
$dbhBio = $connBio->connectDbBio();

$connDosen = new createCon();
$dbhDosen = $connDosen->connectDbDosen();

if (!isset($_SESSION['konsulDosen'])) {
    echo getUnauthorizedMessage();
    exit();
}

$whereVerif = '';
if (!($verif == 'all')) {
    $verif = intval($verif);
    $whereVerif = " AND setuju = '$verif' ";

    if (isset($_GET['kp'])) {
        $whereVerif = " AND proposalApproved = '$verif' ";
    }
}

$nipDosen = $_SESSION['konsulDosen']['nip'];

$sql = 'SELECT * FROM dosen';
$stmt = $dbhDosen->prepare($sql);
$stmt->execute();

$listDosen = [];
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
    $listDosen[$row['id_dosen']] = $row['nama_dosen'];
}

$sql = 'SELECT * FROM dosen WHERE nip = :nip';
$stmt = $dbhDosen->prepare($sql);
$stmt->bindParam(':nip', $nipDosen);
$stmt->execute();

if ($stmt->rowCount() == 0) {
    echo getDataNotFoundMessage();
    exit();
}

while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
    $idDosen = $row['id_dosen'];
}
    $whereJenisDosen = "AND (id_dosen_pa = '$idDosen' OR pembimbingLapangan = '$idDosen')";

    if (isset($_GET['pa'])) {
        $whereJenisDosen = "AND id_dosen_pa = '$idDosen'";
    }

    if (isset($_GET['kp'])) {
        $whereJenisDosen = "AND pembimbingLapangan = '$idDosen'";
    }

    $sql = "SELECT kerja_praktek.*, nama_lengkap, id_dosen_pa, no_telp, no_hp, email FROM kerja_praktek LEFT JOIN bio_mahasiswa ON kerja_praktek.nim = bio_mahasiswa.nim WHERE (nama_lengkap LIKE :search OR kerja_praktek.nim LIKE :search2) $whereJenisDosen $whereVerif";
    $stmt = $dbhBio->prepare($sql);
    $stmt->bindParam(':search', $searchText);
    $stmt->bindParam(':search2', $searchText);
    $stmt->execute();

    $totalData = $stmt->rowCount();

    $sqlLimit = "SELECT kerja_praktek.*, nama_lengkap, id_dosen_pa, no_telp, no_hp, email FROM kerja_praktek LEFT JOIN bio_mahasiswa ON kerja_praktek.nim = bio_mahasiswa.nim WHERE (nama_lengkap LIKE :search OR kerja_praktek.nim LIKE :search2) $whereJenisDosen $whereVerif ORDER BY waktuInput DESC LIMIT $start, $length";
    $stmt = $dbhBio->prepare($sqlLimit);
    $stmt->bindParam(':search', $searchText);
    $stmt->bindParam(':search2', $searchText);
    $stmt->execute();
    $data = [];

    $no = 1;
    while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
        $noPushed = $start + $no;
        $idKerjaPraktek = convertKosong($row['idKerjaPraktek']);
        $semester = convertKosong($row['semester']);
        $tahun = convertKosong($row['tahun']);
        $instansi = convertKosong($row['namaInstansi']);
        $alamatInstansi = convertKosong($row['alamatInstansi']);
        $idDosenPA = $row['id_dosen_pa'];
        $topik = convertKosong($row['topik']);
        $pimpinan = convertKosong($row['namaPimpinan']);
        $pembimbing = convertKosong($row['pembimbingLapangan']);
        $alamatInstansi = convertKosong($row['alamatInstansi']);
        $noTelp = convertKosong($row['no_telp']);
        $noHP = convertKosong($row['no_hp']);
        $email = convertKosong($row['email']);
        $proposalApproved = $row['proposalApproved'];
        $catatanProposalKP = '';

        if (isset($_GET['kp'])) {
            $catatanProposalKP = $row['catatanRevisiProposal'];
        }
        $fileProposal = $row['proposal'];
        if ($fileProposal != null && $fileProposal != '') {
            $fileProposal = "../../biodata/berkas/$fileProposal";
        }

        $pembimbingKP = false;
        if ($pembimbing === $idDosen) {
            $pembimbingKP = true;
        }

        $pembimbingPA = false;
        if ($idDosenPA === $idDosen) {
            $pembimbingPA = true;
        }

        if (isset($listDosen[$pembimbing])) {
            $namaPembimbing = $listDosen[$pembimbing];
        } else {
            $namaPembimbing = '-';
        }

        if ($pembimbing == '0') {
            $namaPembimbing = 'Belum Ditentukan';
        }

        $narahubung = convertKosong($row['naraHubung']);
        $telpNarahubung = convertKosong($row['telpNarahubung']);
        $deskripsiKP = convertKosong($row['deskripsiKP']);
        $catatanKajur = convertKosong($row['catatanKajur']);
        $waktuInput = convertKosong($row['waktuInput']);
        $setuju = convertKosong($row['setuju']);
        $timestampSetuju = convertKosong($row['timestampSetuju']);
        $setujuAdmin = convertKosong($row['setujuAdmin']);
        $timestampSetujuAdmin = convertKosong($row['timestampSetujuAdmin']);
        $catatanPA = $row['catatanPA'];

        $dateTimeInput = '-';
        if ($waktuInput !== '0') {
            $dateTimeInput = date('d-m-Y H:i:s', $waktuInput);
        }

        $dateTimeSetuju = '-';
        if ($timestampSetuju !== '0') {
            $dateTimeSetuju = date('d-m-Y H:i:s', $timestampSetuju);
        }

        $dateTimeSetujuAdmin = '-';
        if ($timestampSetujuAdmin !== '0') {
            $dateTimeSetujuAdmin = date('d-m-Y H:i:s', $timestampSetujuAdmin);
        }
        $namaMahasiswa = $row['nama_lengkap'];
        $nim = $row['nim'];

        $waktuTerakhirKonsul = $row['waktuTerakhirKonsul'];
        if ($waktuTerakhirKonsul == '') {
            $diffDay = '';
            $terakhirKonsulText = '-';
        } else {
            $timeAwal = intval($waktuTerakhirKonsul);
            $timeAkhir = time();
            $datediff = $timeAkhir - $timeAwal;

            $diffDay = round($datediff / (60 * 60 * 24));

            if ($diffDay < 0) {
                $diffDay = 0;
            }
            $terakhirKonsulText = date('d-m-Y', $waktuTerakhirKonsul).'<br>('.$diffDay.' Hari)';
        }

        array_push($data, [
        $noPushed,
        $topik,
        $instansi,
        $semester,
        $tahun,
        $namaPembimbing,
        $setuju,
        $idKerjaPraktek,
        $narahubung,
        $telpNarahubung,
        $deskripsiKP,
        $catatanKajur,
        $dateTimeInput,
        $dateTimeSetuju,
        $pimpinan,
        $alamatInstansi,
        $setujuAdmin,
        $namaMahasiswa,
        $nim,
        $catatanPA,
        $pembimbingKP,
        $pembimbingPA,
        $dateTimeSetujuAdmin,
        $proposalApproved,
        $fileProposal,
        $catatanProposalKP,
        intval($row['lanjutanDari']),
        $noTelp,
        $noHP,
        $email,
        ]
    );
        ++$no;
    }

$recordsTotal = $totalData;

$res = [];
$res['draw'] = $draw;
$res['recordsTotal'] = $recordsTotal;
$res['recordsFiltered'] = $recordsTotal;
$res['data'] = $data;

echo json_encode($res);